Endorphina

3 Thunders

Slots Classic Slots Video Slots Fruit Classic Thunderstorm

Compact Fruit slot charged by storm-themed bonus changes

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built

RTP

96.04%

return to player

Volatility

Medium volatility

variance

Max win

—

top multiplier

Min bet

$0.01

per spin

Reels

5 lines

Player rating

3.9 ★

15 votes

DEMO Play free, no signup

Endorphina

Embed on your site

3.9 / 5

15 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP9/10

RTP 96.04% → 9.0/10

Volatility8/10

medium → 8.0/10

Win Potential—

no data

Features7.5/10

12 features → 7.5/10

Game Mechanics3.1/10

f=12 r=3 p=5 → 3.1/10

Context signals (tie-breakers)

Layout4/10

3x3 → 4.0/10

Bet Flexibility8/10

0.01–50 (×5000) → 8.0/10

Provider Reputation6.6/10

provider avg 6.6 → 6.6/10

Popularity6.7/10

synthetic proxy → 6.7/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 71 — 3 Thunders by Endorphina

https://slotranker.com/endorphina/3-thunders#score

How to cite

Slot Summary

For anyone who values a 96.04% RTP in a compact format, 3 Thunders offers a direct mix of 3 reels, 5 paylines, and Medium volatility. Endorphina uses the storm setting to modify familiar Fruit play rather than obscure it: Scatters open Free Spins, the seven becomes a stacked Wild there, and the Risk/Gamble game remains available after wins.

How It Plays

Matching symbols pay on enabled lines from the leftmost reel, while Scatter results count from any position. Line wins and Scatter wins are added together.

The 3x3 format keeps each outcome readable, then shifts complexity into optional systems such as the Risk/Gamble game and Bonus Buy.

Theme & Atmosphere

Classic Fruit symbols remain the main visual language, while the Thunderstorm treatment gives the Scatter and transformed seven a clear reason to stand apart.

The storm subject is functional as well as atmospheric: lightning announces the bonus trigger, and the charged seven signals the change to stacked Wild behavior.

Fruit Classic Thunderstorm

Features & Win Potential

The Scatter works independently of ordinary line placement. Landing 3 awards both 20 Free Games and a payout equal to 10x the base bet.

The Risk/Gamble game can double a result up to 10 times, creating an optional decision after a win rather than altering the reel outcome itself.

Free Spins Scatter Symbol Wild Symbol Medium volatility Gamble Stacked Symbols 3 Reels Bonus Buy 96% RTP 5 Paylines Risk/Gamble (Double) game Stack

Bonus & Free Spins

A Bonus Buy can open the 20-spin Free Games package without waiting for 3 Scatters to land in the base game.

During Free Games, the seven becomes a stacked Wild on every reel and substitutes for all symbols except the Scatter. Further qualifying Scatters retrigger the round.

Spec sheet

3 Thunders at a glance.

Identity

Slot name3 Thunders

StudioEndorphina

Released11/9/2021

Math

SlotRanker Score71

RTP96.04%

VolatilityMedium volatility

Max win—

Bet range$0.01 – $50.00

Player rating3.9 / 5 · 15 votes

Format

Reels3

Paylines5

Layout3x3

Features

Themes

Expected average based on this slot's 96.04% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$0.16

Cost per session$0.16

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on 3 Thunders? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: Medium

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Medium). The model is calibrated so the average return equals this slot's published RTP (96.04%), with wins capped at its top multiplier (1,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play 3 Thunders

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Compare 3 Thunders with other games

	3 Thunders Score 71This game	Bolt X UP Score 81	Lightning Joker Score 77	Supercharged Clovers: Hold and Win Score 75	Sidewinder DoubleMax Score 73
Identity
Studio	Endorphina	Alchemy Gaming	Yggdrasil Gaming	Playson	Reflex Gaming
Released	11/9/2021	4/14/2022	5/21/2020	7/25/2024	12/27/2023
Math
RTP	96.04%	96.22%	96.3%	95.78%	95.5%
Volatility	Medium volatility	Medium volatility	High volatility	High volatility	High volatility
Max win	—	10,935×	10,011×	14,000×	5,000×
Format
Reels	3	5	3	5	5
Layout	3x3	5x3	3x3	5x3	5x3
Paylines	5	243	5	5	20
Min bet	0.01	0.1	0.1	0.2	0.2
Max bet	50	20	50	100	100
Features
Progressive	—	—	—	—	—
Wild symbol	✓	✓	✓	✓	✓
Free spins	✓	✓	—	—	—
Scatter symbol	✓	✓	✓	—	—
Multiplier	—	✓	✓	✓	✓
Bonus game	—	—	✓	✓	—
Respins	—	—	✓	✓	✓

Every number is shown as a delta against 3 Thunders.

Comparing against

3 Thunders

Endorphina

RTP

96.04%

Max win

—

Score

+ Multiplier+ Bonus Game+ Respins− Free Spins

Supercharged Clovers: Hold and Win

+ Multiplier+ Bonus Game+ Respins− Free Spins− Scatter

+ Multiplier+ Respins− Free Spins− Scatter

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